- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 41/52 - Multiple coating or impregnating
Patent holdings for IPC class C04B 41/52
Total number of patents in this class: 794
10-year publication summary
|
54
|
52
|
57
|
45
|
49
|
45
|
56
|
60
|
59
|
52
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 14036 |
79 |
| Rtx Corporation | 10264 |
60 |
| Rolls-Royce Corporation | 1689 |
42 |
| Safran Ceramics | 451 |
29 |
| Centre National de La Recherche Scientifique | 11164 |
20 |
| Goodrich Corporation | 2181 |
19 |
| Rolls-Royce High Temperature Composites, Inc. | 138 |
16 |
| Honeywell International Inc. | 12729 |
15 |
| Corning Incorporated | 10572 |
12 |
| Safran Aircraft Engines | 6824 |
10 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 498 |
10 |
| Universite de Bordeaux | 950 |
10 |
| Sumitomo Electric Hardmetal Corp. | 1105 |
9 |
| Applied Materials, Inc. | 20694 |
9 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11137 |
9 |
| UNILIN, besloten vennootschap | 1020 |
9 |
| Axalta Coating Systems IP Co., LLC | 474 |
7 |
| Oerlikon Surface Solutions AG, Pfaffikon | 564 |
7 |
| SAFRAN S.A. | 811 |
6 |
| James Hardie Technology Limited | 461 |
6 |
| Other owners | 410 |